Buggy code:
protected Object createMethodReference ( Object receiver , List arguments ) throws InvalidInputException { } protected void createTag ( ) { } protected Object createTypeReference ( int primitiveToken ) { } private int getHtmlTagIndex ( char [ ] htmlTag ) { } protected boolean parseHtmlTag ( int previousPosition , int endTextPosition ) throws InvalidInputException { if ( ! ( this . parseHtmlTags ) ) return false ; boolean closing = false ; boolean valid = false ; boolean incremented = false ; int start = this . scanner . currentPosition ; int currentPosition = start ; int htmlPtr = this . htmlTagsPtr ; char firstChar = peekChar ( ) ; boolean hasWhitespaces = ( firstChar == '<seq2seq4repair_space>' ) || ( ScannerHelper . isWhitespace ( firstChar ) ) ; try { int token = readTokenAndConsume ( ) ; char [ ] htmlTag ; int htmlIndex ; switch ( token ) { case TerminalTokens . TokenNameIdentifier : htmlTag = this . scanner . getCurrentIdentifierSource ( ) ; htmlIndex = getHtmlTagIndex ( htmlTag ) ; if ( htmlIndex == ( JAVADOC_TAGS_ID_MASK ) ) return false ; if ( htmlPtr >= 0 ) { int lastHtmlTagIndex = getHtmlTagIndex ( this . htmlTags [ htmlPtr ] ) ; if ( ( lastHtmlTagIndex & ( JAVADOC_TAGS_ID_MASK ) ) == ( JAVADOC_IMMUTABLE_TAGS_ID ) ) { if ( ( htmlIndex & ( JAVADOC_TAGS_ID_MASK ) ) == ( JAVADOC_CODE_TAGS_ID ) ) { FormatJavadocBlock previousBlock = ( ( FormatJavadocBlock ) ( this . astStack [ this . astPtr ] ) ) ; FormatJavadocNode parentNode = previousBlock ; FormatJavadocNode lastNode = parentNode ; while ( ( lastNode . getLastNode ( ) ) != null ) { parentNode = lastNode ; lastNode = lastNode . getLastNode ( ) ; } if ( lastNode . isText ( ) ) { FormatJavadocText text = ( ( FormatJavadocText ) ( lastNode ) ) ; if ( ( text . separatorsPtr ) == ( - 1 ) ) { break ; } } } return false ; } } if ( ( htmlIndex & ( JAVADOC_TAGS_ID_MASK ) ) > ( JAVADOC_SINGLE_TAGS_ID ) ) { if ( ( ( this . htmlTagsPtr ) == ( - 1 ) ) || ( ! ( CharOperation . equals ( this . htmlTags [ this . htmlTagsPtr ] , htmlTag , false ) ) ) ) { if ( ( ++ ( this . htmlTagsPtr ) ) == 0 ) { this . htmlTags = new char [ AbstractCommentParser . AST_STACK_INCREMENT ] [ ] ; } else { if ( ( this . htmlTagsPtr ) == ( this . htmlTags . length ) ) { System . arraycopy ( this . htmlTags , 0 , ( this . htmlTags = new char [ ( this . htmlTags . length ) + ( AbstractCommentParser . AST_STACK_INCREMENT ) ] [ ] ) , 0 , this . htmlTagsPtr ) ; } } this . htmlTags [ this . htmlTagsPtr ] = htmlTag ; incremented = true ; } } currentPosition = this . scanner . currentPosition ; if ( ( readToken ( ) ) == ( TerminalTokens . TokenNameDIVIDE ) ) { consumeToken ( ) ; } break ; case TerminalTokens . TokenNameDIVIDE : if ( ( this . htmlTagsPtr ) == ( - 1 ) ) return false ; htmlTag = this . htmlTags [ this . htmlTagsPtr ] ; if ( ( token = readTokenAndConsume ( ) ) != ( TerminalTokens . TokenNameIdentifier ) ) { return false ; } char [ ] identifier = this . scanner . getCurrentIdentifierSource ( ) ; htmlIndex = getHtmlTagIndex ( identifier ) ; if ( htmlIndex == ( JAVADOC_TAGS_ID_MASK ) ) return false ; int ptr = this . htmlTagsPtr ; while ( ! ( CharOperation . equals ( htmlTag , identifier , false ) ) ) { if ( ( this . htmlTagsPtr ) <= 0 ) { this . htmlTagsPtr = ptr ; return false ; } ( this . htmlTagsPtr ) -- ; htmlTag = this . htmlTags [ this . htmlTagsPtr ] ; } htmlIndex |= JAVADOC_CLOSED_TAG ; closing = true ; currentPosition = this . scanner . currentPosition ; break ; default : return false ; } <START_BUG> switch ( token = readTokenAndConsume ( ) ) { <END_BUG> case TerminalTokens . TokenNameLESS : case TerminalTokens . TokenNameLESS_EQUAL : return false ; case TerminalTokens . TokenNameGREATER : break ; case TerminalTokens . TokenNameGREATER_EQUAL : case TerminalTokens . TokenNameRIGHT_SHIFT : case TerminalTokens . TokenNameRIGHT_SHIFT_EQUAL : break ; default : this . index = currentPosition ; loop : while ( true ) { switch ( readChar ( ) ) { case '<' : if ( hasWhitespaces ) { return false ; } this . index = currentPosition ; this . scanner . startPosition = currentPosition ; this . scanner . currentPosition = currentPosition ; this . scanner . currentCharacter = '<' ; break loop ; case '>' : this . scanner . startPosition = this . index ; this . scanner . currentPosition = this . index ; this . scanner . currentCharacter = peekChar ( ) ; break loop ; default : break ; } if ( ( this . index ) >= ( this . javadocTextEnd ) ) { this . index = currentPosition ; this . scanner . startPosition = currentPosition ; this . scanner . currentPosition = currentPosition ; break ; } } } if ( ( ( this . lineStarted ) && ( ( this . textStart ) != ( - 1 ) ) ) && ( ( this . textStart ) < endTextPosition ) ) { pushText ( this . textStart , endTextPosition , ( - 1 ) , htmlPtr ) ; } pushText ( previousPosition , this . index , htmlIndex , this . htmlTagsPtr ) ; this . textStart = - 1 ; valid = true ; } finally { if ( valid ) { if ( closing ) { ( this . htmlTagsPtr ) -- ; } }

Fix:
switch ( readTokenAndConsume ( ) ) {